Shared Flashcard Set

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final lab exam
eye and brain
30
Anatomy
Undergraduate 2
11/18/2013

Additional Anatomy Flashcards

 


 

Cards

Term
how many muscles in each eyeball?
Definition
six
Term
how many muscle fibers in a motor unit?
Definition
3 to 12
Term
lateral rectus action:
Definition
moves laterally
Term
medial rectus action:
Definition
moves eye medially
Term
superior rectus action:
Definition
elevates eye and turns it medially
Term
inferior rectus action:
Definition
depresses eye and turns it medially
Term
inferior oblique action:
Definition
elevates eye and turns it laterally
Term
superior oblique action:
Definition
depresses eye and turns it laterally
Term
lateral rectus controlling cranial nerve:
Definition
VI abducens
Term
medial rectus controlling cranial nerve:
Definition
III oculomotor
Term
superior rectus controlling nerve:
Definition
III oculomotor
Term
inferior rectus controlling cranial nerve:
Definition
III oculomotor
Term
inferior oblique controlling cranial nerve:
Definition
III oculomotor
Term
superior oblique controlling cranial nerve:
Definition
IV trochlear
Term
muscle running upward over the eye:
Definition
superior rectus
Term
muscle running downward along eye:
Definition
inferior rectus
Term
muscle running outward from eye:
Definition
lateral rectus
Term
muscle running inward around eye:
Definition
medial rectus
Term
eye muscle running upward and outward:
Definition
elevates eye and turns laterally
Term
eye muscle running downward and outward:
Definition
superior oblique
Term
contains rods and conces
Definition
retina
Term
layers of back of eye:
Definition
sclerea, choroid, retina
Term
thickened ring of tissue circling lens:
Definition
ciliary body
Term
controls shape of lens and holds in an upright position:
Definition
ciliary body
Term
secretes aqueous humor into the anterior segment:
Definition
ciliary body
Term
area of high cone density and greatest visual acuity:
Definition
fovea centralis
Term
stimulated in low light and see grey scale
Definition
rods
Term
needs high light and sees color
Definition
cones
Term
primary colors of eye
Definition
red green blue
Term
rods and cones
Definition
sensory receptors in the retina that are stimulated by light that comes into the eye and sends that signal to the brain via the optic nerve
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